forked from github_mirror/framelesshelper
91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
/*
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* MIT License
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*
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* Copyright (C) 2021-2023 by wangwenx190 (Yuhang Zhao)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include "framelesshelpercore_global.h"
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FRAMELESSHELPER_BEGIN_NAMESPACE
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class FRAMELESSHELPER_CORE_API SysApiLoader : public QObject
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{
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Q_OBJECT
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Q_DISABLE_COPY_MOVE(SysApiLoader)
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public:
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explicit SysApiLoader(QObject *parent = nullptr);
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~SysApiLoader() override;
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Q_NODISCARD static SysApiLoader *instance();
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Q_NODISCARD static QFunctionPointer resolve(const QString &library, const char *function);
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Q_NODISCARD static QFunctionPointer resolve(const QString &library, const QByteArray &function);
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Q_NODISCARD static QFunctionPointer resolve(const QString &library, const QString &function);
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Q_NODISCARD bool isAvailable(const QString &library, const QString &function);
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Q_NODISCARD QFunctionPointer get(const QString &function);
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template<typename T>
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Q_NODISCARD T get(const QString &function)
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{
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return reinterpret_cast<T>(get(function));
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}
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};
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FRAMELESSHELPER_END_NAMESPACE
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Q_DECLARE_METATYPE2(FRAMELESSHELPER_PREPEND_NAMESPACE(SysApiLoader))
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#define API_AVAILABLE(lib, func) \
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(FRAMELESSHELPER_PREPEND_NAMESPACE(SysApiLoader)::instance()->isAvailable(k##lib, k##func))
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#define API_CALL_FUNCTION(func, ...) \
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((FRAMELESSHELPER_PREPEND_NAMESPACE(SysApiLoader)::instance()->get<decltype(&func)>(k##func))(__VA_ARGS__))
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#define API_CALL_FUNCTION2(func, type, ...) \
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((FRAMELESSHELPER_PREPEND_NAMESPACE(SysApiLoader)::instance()->get<type>(k##func))(__VA_ARGS__))
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#define API_CALL_FUNCTION3(func, name, ...) \
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((FRAMELESSHELPER_PREPEND_NAMESPACE(SysApiLoader)::instance()->get<decltype(&func)>(k##name))(__VA_ARGS__))
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#define API_CALL_FUNCTION4(func, ...) API_CALL_FUNCTION3(_##func, func, __VA_ARGS__)
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#define API_CALL_FUNCTION5(func, ...) API_CALL_FUNCTION3(func##2, func, __VA_ARGS__)
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#ifdef Q_OS_WINDOWS
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# define API_USER_AVAILABLE(func) API_AVAILABLE(user32, func)
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# define API_THEME_AVAILABLE(func) API_AVAILABLE(uxtheme, func)
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# define API_DWM_AVAILABLE(func) API_AVAILABLE(dwmapi, func)
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# define API_SHCORE_AVAILABLE(func) API_AVAILABLE(shcore, func)
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# define API_WINMM_AVAILABLE(func) API_AVAILABLE(winmm, func)
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# define API_D2D_AVAILABLE(func) API_AVAILABLE(d2d1, func)
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# define API_NT_AVAILABLE(func) API_AVAILABLE(ntdll, func)
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#endif // Q_OS_WINDOWS
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#ifdef Q_OS_LINUX
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# define API_XCB_AVAILABLE(func) API_AVAILABLE(libxcb, func)
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# define API_GTK_AVAILABLE(func) API_AVAILABLE(libgtk, func)
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#endif // Q_OS_LINUX
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